Interior Designer Source - 3-4-5 Formula Feature - House Outlook

I’m hoping to find an interior designer source for a House Outlook piece about the 3-4-5 decorating formula that uses three patterns, four design eras/styles, and five colors or textures to create a layered, personal, and balanced space. Got someone who could answer a couple quick questions? Shoot me a note: [email redacted] with the subject line “3-4-5 Decorating Formula.”